Product Description

The Miller STH TIG welding machine is a new product launched at the welding fair in Essen in 2013.
Welding Processes:
– Shielded Metal Arc Welding (SMAW)
– TIG – Lift Arc and HF
– Pulsed TIG

This Miller welding machine is specifically designed for:

– Petrochemical industry
– Industrial contractors
– Mechanical industry installations
– Petrochemical pipelines

Equipped with 4 preset pulsation frequencies.

Lift Arc technology for arc initiation without using high-frequency arc. No contamination of the tungsten electrode occurs!

Adjustable parameters:

– Postflow
– Arc Force
– Hot Start

VRD function – reduces no-load voltage to 12V when the welding power source is not in use.

Option to weld in 2T or 4T mode and attach a wired or wireless remote control.

Technical specifications:

  • Product: TIG Welding Machine Miller STH270
  • Power Supply Voltage: 400 V
  • Current Range: 5-270 A
  • Usable Electrode: 1.6-6 mm
  • Welds Aluminum: No
  • Maximum Usable Current: 270 A
  • Duty Cycle at Maximum Amperage: 40%
  • Absorbed Power: 13.3 KW
  • Open-Circuit Voltage: 10-30.8 V
  • Dimensions (LxWxH): 568x219x345 mm
  • Weight: 24 Kg

Delivery Kit:

Miller STH270 Power Source. Cart, cooling group, welding gun, or remote control/foot pedal are purchased separately.

Warranty: 36 months